[FFmpeg-devel] [PATCH 1/3] avcodec/evc_ps: Fix size of tile_(row|column) arrays

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Sun Jul 16 17:22:28 EEST 2023


Prevents out-of-bound writes when parsing tile row heights.
Fixes Coverity issue #1538300.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
 libavcodec/evc_ps.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/evc_ps.h b/libavcodec/evc_ps.h
index 0bbec1f138..336953b176 100644
--- a/libavcodec/evc_ps.h
+++ b/libavcodec/evc_ps.h
@@ -192,8 +192,8 @@ typedef struct EVCParserPPS {
     uint32_t num_tile_columns_minus1;                              // ue(v)
     uint32_t num_tile_rows_minus1;                                 // ue(v)
     uint8_t uniform_tile_spacing_flag;                             // u(1)
-    uint32_t tile_column_width_minus1[EVC_MAX_TILE_ROWS];          // ue(v)
-    uint32_t tile_row_height_minus1[EVC_MAX_TILE_COLUMNS];         // ue(v)
+    uint32_t tile_column_width_minus1[EVC_MAX_TILE_COLUMNS];       // ue(v)
+    uint32_t tile_row_height_minus1[EVC_MAX_TILE_ROWS];            // ue(v)
     uint8_t loop_filter_across_tiles_enabled_flag;                 // u(1)
     uint32_t tile_offset_len_minus1;                               // ue(v)
     uint8_t tile_id_len_minus1;                                    // ue(v)
-- 
2.34.1



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